请阅读Passage2，完成小题。 Passage2 Severalresearchteamshavefoundthatnewbornsprefertheirmothers'voicesoverthoseofotherpeople.Nowateamofscientistshasgoneanintriguingstepfurther:theyhavefoundthatnewbornscryintheirnativelanguage."Wehaveprovidedevidencethatlanguagebeginswiththeveryfirstcrymelodies,"saysKathleenWermkeoftheUniversityofWurzburg,Germany,wholedtheresearch. ?"Thedramaticfindingofthisstudyisthatnotonlyarenewbornscapableofproducingdifferentcrymelodies,buttheyprefertoproducethosemelodypatternsthataretypicalforthe?ambientlanguagetheyhaveheardduringtheirfetallife,withinthelasttrimester,"saidWermke."Contrarytoorthodoxinterpretations,thesedatasupporttheimportanceofhumaninfants'cryingforseedinglanguagedevelopment." ???Ithadbeenthoughtthatbabies'criesareconstrainedby-theirbreathingpatternsandrespiratoryapparatus,inwhichcaseacryingbabywouldsoundlikeacryingbabynomatterwhatthecultureis,sincebabiesareanatomicallyidentical."Theprevailingopinionusedtobethatnewbornscouldnotactivelyinfluencetheirproductionofsound,"saysWermke.Thisstudyrefutesthatclaim:sincebabiescryindifferentlanguages,theymusthavesomecontrol??(presumablyunconscious)overwhattheysoundlikeratherthanbeingconstrainedbytheacousticalpropertiesoftheirlungs,throat,mouth,andlarynx.Ifrespirationalonedictatedwhatacrysoundedlike,allbabieswouldcrywithafalling-pitchpattern,sincethat'swhathappensasyourunoutofbreathandairpressureonthethroat'ssound-makingmachinerydecreases.Frenchbabiesapparentlydidn'tgetthatmemo."GermanandFrenchinfantsproducedifferenttypesofcries,eventhoughtheysharethesamephysiology,"thescientistspointout."TheFrenchnewbornsproduce‘nonphysiological'risingpatterns,"showingthatthesoundoftheircriesisundertheircontrol. ????Althoughphonemes-speechsoundssuchas"ki"or"sh"-don'tcrosstheabdominalbarrierandreachthefetus,so-calledprosodiccharacteristicsofspeechdo.Thesearethevariationsinpitch,rhythm,andintensitythatcharacterizeeachlanguage.Justasnewbornsrememberandpreferactualsongsthattheyheardinutero,itseems,sotheyrememberandpreferboththesoundofMom’svoiceandthemelodicsignatureofherlanguage. ?Theideaofthestudywasn'ttomakethesoundofascreamingbabymoreinterestingtolisteners-goodluckwiththat-buttoexplorehowbabiesacquirespeech.Thatacquisition,itisnowclear,beginsmonthsbeforebirth,probablyinthethirdtrimester:Newborns"notonlyhavememorizedthemainintonationpatternsoftheirrespectivesurroundinglanguagebutarealsoabletoreproducethesepatternsintheirown[sound]production,"concludethescientists.Newborns'"criesarealreadytunedtowardtheirnativelanguage,"givingthemaheadstartonsoundingFrenchorGerman(or,presumably,EnglishorAmericanorChineseoranythingelse:thescientistsarecollectingcriesfrommorelanguages).Thisislikelypartoftheexplanationforhowbabiesdevelopspokenlanguagequicklyandseeminglywithouteffort.Sure,wemaycomeintotheworldwiredforlanguage(thankyou,NoamChomsky),butwealsobenefitfromtheenvironmentalexposurethattellsuswhichlanguage. ??Untilthisstudy,scientiststhoughtthatbabiesbecamecapableofvocalimitationnoearlierthan12weeksofage.That'swheninfantslisteningtoanadultspeakerproducingvowelscanparrotthesound.Butthat'sthebeginningoftruespeech.It'ssortofamazingthatittookthislongforscientiststorealizethatiftheywanttoseewhatsoundsbabiescanperceive,remember,andplayback,theyshouldlookatthesoundbabiesproducebest.Soletthelittleangelcry:she'spracticingtoacquirelanguage. WhatdoesKathleenWermke'sresearchindicate?
A.Babies are unable to do vocal imitation. B.Babies’ cries could be their early language acquisition. C.Babies start speech acquisition months after their birth. D.A crying baby is a crying baby no matter what the culture is.正确答案B
